\begin{tabular*}{1.7\textwidth}{l@{\extracolsep{\fill}}*{7}{c}}
& \multicolumn{3}{c}{\textbf{COGNITION}} & \multicolumn{4}{c}{\textbf{PREFERENCES}} \\
\cmidrule(lr){2-4}\cmidrule(lr){5-8} & \textbf{Index} & Lab Tasks & Work Task & \textbf{Index} & Time & Social & Risk \\
 & (9) & (10) & (11) & (12) & (13) & (14) & (15)\\
\midrule
\textbf{Devices+Encouragement Only} & \textbf{-0.00} & -0.00 & 0.04 & \textbf{-0.09} & -0.05 & -0.10 & -0.15 \\
& (0.07) & (0.07) & (0.17) & (0.06) & (0.12) & (0.09) & (0.13) \\
\addlinespace
\textbf{Devices+Incentives Only} & -0.03 & 0.04 & -0.12 & -0.04 & 0.11 & -0.16* & -0.06 \\
& (0.08) & (0.07) & (0.19) & (0.07) & (0.12) & (0.08) & (0.13) \\
\addlinespace
\textbf{Nap Only} & 0.09 & 0.07 & 0.15 & -0.01 & 0.12 & -0.09 & -0.01 \\
& (0.07) & (0.07) & (0.17) & (0.07) & (0.12) & (0.09) & (0.14) \\
\addlinespace
\textbf{Devices+Encouragement and Nap} & 0.05 & 0.13* & 0.03 & 0.09 & 0.23* & 0.03 & 0.03 \\
& (0.08) & (0.07) & (0.18) & (0.07) & (0.12) & (0.10) & (0.13) \\
\addlinespace
\textbf{Devices+Incentives and Nap} & 0.14** & 0.09 & 0.32** & 0.01 & 0.11 & -0.10 & 0.01 \\
& (0.07) & (0.07) & (0.16) & (0.07) & (0.12) & (0.09) & (0.14) \\
\addlinespace
\midrule
Participants     & 452 & 452 & 429 & 452 & 452 & 415 & 415 \\
\bottomrule
\end{tabular*}
